https://wiki.jw-tech.eu/index.php?action=history&feed=atom&title=WSAL18136_%E2%80%93_2.7inch_NFC-Powered_e-Paper_Module%2Fen 2026-10-23T22:17:31Z Versionsgeschichte dieser Seite in JW Tech Wiki MediaWiki 1.43.9 https://wiki.jw-tech.eu/index.php?title=WSAL18136_%E2%80%93_2.7inch_NFC-Powered_e-Paper_Module/en&diff=1134&oldid=prev 2026-09-05T22:13:51Z

<p>Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex</p> <p><b>Neue Seite</b></p><div>__NOINDEX__<br /> &#039;&#039;&#039;Documentation notice:&#039;&#039;&#039; This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.<br /> <br /> == Summary ==<br /> The 2.7inch passive NFC-powered e-paper module displays content without its own power source. Image information is transmitted wirelessly via NFC from a smartphone or NFC reader and displayed on the screen.<br /> <br /> == Related products at JW Tech ==<br /> * [https://shop.jw-tech.eu/p/WSAL18136 WSAL18136 – 2.7inch Passive NFC-Powered E-Paper Module, No Battery]<br /> <br /> == Technical overview ==<br /> * Display resolution: 264 x 176 pixels<br /> * Dot pitch: 0.217 mm x 0.217 mm<br /> * Display color: Black/White<br /> * Refresh time: approx. 6 s<br /> * Viewing angle: greater than 170°<br /> * ABS plastic housing with good strength and toughness<br /> * No backlight required; e-paper retains last content for extended periods without power<br /> * Suitable for equipment labels, shelf labels, and information display<br /> * Power supplied solely via NFC wireless energy transfer<br /> * Companion Android app for editing and managing display content<br /> <br /> == Notes and version constraints ==<br /> * According to the source, the provided app does NOT support Samsung, Google, or Sony smartphones.<br /> * NFC functionality must be enabled on the phone before use.<br /> * Do not move the device during transmission and refresh because NFC communication range is limited.<br /> * Rev2.2 uses a new NFC chip and fast flashing method; update the latest mobile app and ST25R3911B NFC Board program before use.<br /> * Image files must be monochrome BMP format and exactly match the display resolution; otherwise display may fail.<br /> * After unpacking, maximum storage time is 72 hours at 20°C ± 5°C and 50% RH ± 5% RH; assemble within this window.<br /> <br /> == Source and revision record ==<br /> * [https://www.waveshare.com/wiki/2.7inch_NFC-Powered_e-Paper_Module 2.7inch NFC-Powered e-Paper Module - Waveshare Wiki]<br /> * Source revision: 99245<br /> * Captured: 2026-09-01T03:05:01+00:00<br /> * SHA-256: &lt;code&gt;cf4923f8b344c6ded6b9e339ba35e66395bbd0896c2b00f8dfcf7d640cf48e1c&lt;/code&gt;</div>

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